Bog-trotter may refer to:

• A derogatory term for some types of Irishmen
• Bruce Bogtrotter, a character in the Matilda franchise
• Bogtrotter: An Autobiography with Lyrics, a 1980 book by Dory Previn
• The 1991 winner of the Greenham Stakes
• A folk name for the Eurasian bittern
• In UK Parliamentary slang, a party's parliamentary whip whose job was, at a parliamentary division, to quickly check round the Parliament building's toilets to check if any of his party's members were in there, as a few members missing at a vote may lose the vote, if the vote is close.